pano = [
    'scenes/4/2048/px.jpg', 'scenes/4/2048/nx.jpg',
    'scenes/4/2048/py.jpg', 'scenes/4/2048/ny.jpg',
    'scenes/4/2048/pz.jpg', 'scenes/4/2048/nz.jpg',
];
newCubeTexture = cubeTextureLoader.load(pano);
geometry = new THREE.BoxGeometry(20000, 20000, 20000);
material = new THREE.MeshBasicMaterial({
    envMap: newCubeTexture,
    side: THREE.BackSide,
    color: 0xffffff,
    transparent: true,
    opacity: 0
});
mesh = new THREE.Mesh(geometry, material);

new THREE.MeshBasicMaterial({
    map: new THREE.ImageUtils.loadTexture(arr[i]),
    side: THREE.BackSide,
    transparent: true,
    opacity: 0
});